Description of algorithm
Interpretation of results
Full domain
American sector
European sector
  Ice concntr, edge pos
  Contingency tables
Asian sector

Validation of sea ice concentration - European sector

Reference date: 2021-10-14

Model: GLO MFC - NEMO

Data source: OSI SAF N.H. sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2021-10-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 95953 3595 33 82 20 0 0 0
OW 41 677 16 138 54 0 0 0
VODI 0 69 14 164 184 80 0 0
ODI 0 0 0 51 164 256 1 0
CDI 0 0 0 0 91 890 362 3
VCDI 0 0 0 0 0 575 3147 2440

Date: 2021-10-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 95039 4476 34 150 23 0 0 0
OW 0 358 13 172 66 1 0 0
VODI 0 53 12 226 156 62 0 0
ODI 0 0 0 53 245 177 0 0
CDI 0 0 0 0 119 1240 168 26
VCDI 0 0 0 0 0 191 2274 3766

Date: 2021-10-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 94694 4378 42 231 51 0 0 0
OW 6 382 18 118 125 0 0 0
VODI 0 42 6 152 270 161 0 0
ODI 0 1 3 58 209 170 13 0
CDI 0 0 0 4 130 912 463 15
VCDI 0 0 0 0 0 125 3087 3234

Date: 2021-10-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 94744 4446 35 107 23 0 0 0
OW 20 446 7 106 77 0 0 0
VODI 0 63 12 140 295 64 0 0
ODI 0 10 4 91 179 195 0 2
CDI 0 0 0 33 203 1183 202 9
VCDI 0 0 0 0 0 587 3756 2061

Date: 2021-10-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 95063 4023 40 86 22 0 0 0
OW 36 540 5 102 46 0 0 0
VODI 0 65 12 181 225 33 0 0
ODI 0 15 8 86 217 198 0 3
CDI 0 2 0 36 215 1327 205 2
VCDI 0 0 0 0 0 189 1853 4265

Date: 2021-10-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 94468 4034 29 79 14 0 0 0
OW 79 729 19 205 42 1 0 0
VODI 0 44 9 190 167 34 0 0
ODI 0 6 6 86 242 319 0 4
CDI 0 1 1 28 176 1536 278 59
VCDI 0 0 0 0 0 84 2009 4122

Date: 2021-10-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 94001 4266 44 140 28 0 0 0
OW 34 654 17 173 29 0 0 0
VODI 0 110 13 257 196 9 0 0
ODI 0 4 2 93 345 270 0 0
CDI 0 0 0 7 190 1812 376 0
VCDI 0 0 0 0 0 507 4907 616

Date: 2021-10-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 93667 4739 37 159 25 0 0 0
OW 113 267 14 138 35 0 0 0
VODI 0 141 20 238 250 9 0 0
ODI 0 6 3 105 311 290 0 0
CDI 0 0 0 0 205 1722 200 0
VCDI 0 0 0 0 0 575 3169 2662


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